Medicine

U.S. health advisers have endorsed kid-size doses of Pfizer's COVID-19 vaccine for younger children.

The U.S. is expected to begin vaccinating children under 12 sometime next month, if the FDA clears low doses of the Pfizer vaccine for 5- to 11-year-olds.

Federal scientists say kid-size doses of Pfizer’s COVID-19 vaccine appear highly effective at preventing symptomatic infections among elementary school children.

Federal health officials say millions more Americans can get a COVID-19 booster and choose a different vaccine for that next shot.

The Food and Drug Administration authorized booster doses of the COVID-19 vaccines made by Moderna and Johnson & Johnson following unanimous votes by a committee.

The NFL is set to propose changes to the $1 billion concussion settlement after an outcry over test score adjustments known as “race-norming."

Penn Med researchers found that memory T and B cells play a significant role in fighting COVID-19 even 6 months after vaccination.

A Nobel Prize winner joins us. And, what does the American Heart Association have to say about salt and aspirin?

Much of the world is open to Americans, particularly vaccinated travelers, but the rules vary. Here’s what you need to know before you go.

In a 19-0 vote, the panel recommended that the booster dose come at least two months after initial immunization with one shot of the J&J vaccine.

The U.S. donation from its domestic supplies comes on top of the 50 million doses previously donated to Africa, which world health officials say is 500 million doses short of

The advisers to the Food and Drug Administration voted Thursday to recommend a lower-dose booster shot for seniors and other high-risk groups.

Philadelphia’s health commissioner said the city risks another epidemic of preventable deaths if health care workers don’t get inoculated against the coronavirus.

The FDA will scrutinize company data on the safety and effectiveness of the drug, molnupiravir, before rendering a decision.

In early tests, the drug reduced the chance of people being hospitalized for or dying from COVID-19 by 50%. What about safety?